Appendix B. Summary of repeated measure split-plot ANOVA for richness, diversity, rare species, and forb species. Bold P values indicate significance.
| Source |
|
Richness |
Diversity |
Annuals Forbs |
Perennial forbs |
Rare spp. |
|||||
|
|
df |
F |
P |
F |
P |
F |
P |
F |
P |
F |
P |
|
Site (fixed) |
1 |
115 |
<0.0001 |
108 |
<0.0001 |
3.5 |
0.06 |
84.3 |
<0.0001 |
0.16 |
0.68 |
|
Block (random) |
18 |
0.54 |
0.84 |
0.61 |
0.79 |
0.87 |
0.55 |
0.63 |
0.76 |
1.69 |
0.09 |
|
Season (fixed) |
1 |
0.74 |
0.38 |
0.62 |
0.42 |
4.2 |
0.04 |
5.4 |
0.02 |
0.61 |
0.43 |
|
Treatment (fixed) |
2 |
0.80 |
0.49 |
0.87 |
0.45 |
2.5 |
0.06 |
1.0 |
0.38 |
0.18 |
0.90 |
|
Site × Season |
1 |
0.17 |
0.67 |
0.18 |
0.67 |
1.9 |
0.15 |
2.4 |
0.11 |
0.08 |
0.77 |
|
Site × Treat |
2 |
2.14 |
0.09 |
2.48 |
0.06 |
0.84 |
0.47 |
1.59 |
0.19 |
0.72 |
0.53 |
|
Season × Treat |
2 |
0.81 |
0.48 |
0.46 |
0.71 |
2.8 |
0.04 |
0.51 |
0.67 |
0.12 |
0.94 |
|
Site × Season × Treat |
2 |
3.6 |
0.01 |
1.24 |
0.29 |
1.17 |
0.31 |
1.94 |
0.12 |
0.34 |
0.78 |
|
Error 1 |
90 |
|
|
|
|
|
|
|
|
|
|
|
Year (fixed) |
3 |
10.5 |
<0.0001 |
16.7 |
<0.0001 |
39.2 |
<0.0001 |
46.3 |
<0.0001 |
1.87 |
0.13 |
|
Site × Year |
3 |
4.25 |
0.006 |
13.8 |
<0.0001 |
2.8 |
0.04 |
3.01 |
0.02 |
0.08 |
0.97 |
|
Season × Year |
3 |
2.3 |
0.07 |
7.7 |
<0.0001 |
2.9 |
0.03 |
2.66 |
0.04 |
0.90 |
0.43 |
|
Treat × Year |
6 |
4.6 |
<0.0001 |
3.6 |
0.0002 |
3.7 |
0.0001 |
4.40 |
<0.0001 |
0.63 |
0.76 |
|
Season × Treat × Year |
6 |
0.73 |
0.67 |
1.3 |
0.20 |
1.1 |
0.36 |
1.19 |
0.29 |
0.25 |
0.98 |
|
Site × Season × Year |
3 |
0.11 |
0.95 |
1.5 |
0.21 |
0.46 |
0.70 |
0.91 |
0.43 |
0.09 |
0.96 |
|
Site × Treat × Year |
6 |
0.72 |
0.68 |
2.1 |
0.03 |
1.12 |
0.34 |
2.12 |
0.02 |
0.82 |
0.59 |
|
Site × Season × Treat × Year |
6 |
1.17 |
0.31 |
1.3 |
0.22 |
1.15 |
0.32 |
0.83 |
0.59 |
0.41 |
0.93 |
|
Error 2 |
324 |
|
|
|
|
|
|
|
|
|
|
|
TOTAL |
479 |
|
|
|
|
|
|
|
|
|
|